| def leaf_generator(exc, tbs=None): | |
| if tbs is None: | |
| tbs = [] | |
| tbs.append(exc.__traceback__) | |
| if isinstance(exc, BaseExceptionGroup): | |
| for e in exc.exceptions: | |
| yield from leaf_generator(e, tbs) | |
| else: | |
| # exc is a leaf exception and its traceback | |
| # is the concatenation of the traceback | |
| # segments in tbs. | |
| # Note: the list returned (tbs) is reused in each iteration | |
| # through the generator. Make a copy if your use case holds | |
| # on to it beyond the current iteration or mutates its contents. | |
| yield exc, tbs | |
| tbs.pop() | |